package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {

   Set<Integer> parm = new HashSet<>(16);
   //初始化
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if (vals != null && vals.length>0){
            for (int val : vals) {
                parm.add(val);
            }
        }
    }
  //校验
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {

        return parm.contains(value);
    }
}
